CVE-2026-68268
Received Received - Intake

drm/xe Non-Migratable Fault Handling Error

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Return error on non-migratable faults requiring devmem Non-migratable faults that require devmem incorrectly jump to the 'out' label, which squashes the error code intended to be returned to the upper layers. Fix this by returning -EACCES instead. (cherry picked from commit c4508edb2c723de93717272488ea65b165637eac)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
CVE-2026-68268
EUVD
EUVD-2026-55369

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in the Linux kernel involves incorrect handling of non-migratable faults that require devmem. Instead of returning an error code, the system jumps to an incorrect label, which suppresses the intended error. The fix ensures the system returns -EACCES to indicate access denial.

Detection Guidance

This vulnerability is specific to the Linux kernel's DRM/XE driver and involves incorrect error handling for non-migratable faults requiring devmem. Detection requires checking kernel logs for related errors or examining the kernel source code for the affected driver behavior.

Impact Analysis

This vulnerability could allow unauthorized access attempts to bypass security checks, potentially leading to memory corruption or privilege escalation. Systems relying on proper error handling for memory access may experience instability or security breaches.

Mitigation Strategies

Apply the kernel patch that fixes the issue by ensuring non-migratable faults return -EACCES instead of jumping to the 'out' label. Update to a patched kernel version if available.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-68268. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart